.certificate-sheet{position:relative;container-type:inline-size;overflow:hidden}.certificate-sheet:has(img[src*="certificado-reverso-celendin"])::before{content:'MODELO';position:absolute;z-index:1;left:15%;top:18%;font-family:Arial,sans-serif;font-size:11cqw;font-weight:800;color:rgba(20,50,100,.42);transform:rotate(-15deg);pointer-events:none;text-shadow:0 23cqw rgba(20,50,100,.42)}.certificate-sheet:has(img[src*="certificado-reverso-celendin"])::after{content:'MODELO REFERENCIAL · SIN VALIDEZ';position:absolute;z-index:1;bottom:0;left:0;right:0;padding:.6cqw;background:rgba(255,255,255,.9);color:#234974;font-family:Arial,sans-serif;font-size:1.9cqw;font-weight:700;text-align:center;pointer-events:none}